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TINKO 18650 Lithium Ion Battery 7.4 V 2600mah For Toys And Devices

Categories Lithium ion Battery Pack
Brand Name: TINKO/OEM
Model Number: TK18650 2S2P
Certification: CE/ROHS/MSDS/UN38.3
Place of Origin: China
MOQ: 1000PCS
Price: Negotiable
Supply Ability: 100pcs/day
Packaging Details: parer carton
Voltage: 7.4
Capacity: 4400mah
Battery Connection: 2S2P
Protection: PCM/PCB
Material: Lithium ion
Dimension: 38*67*38mm
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TINKO 18650 Lithium Ion Battery 7.4 V 2600mah For Toys And Devices

Customized 2S2P 18650 Lithium-ion Battery Pack 7.4V for Digital Product


Battery Description


TINKO 7.4V 18650 2S2P battrey pack 4400mah with PCM board is a common model which is widely used bu customer for their electric product such as fans, toys and lights. The lithium-ion batteries are widely used due to their advantageous features. They have a high energy-to-weight ratio, so they can store more energy in a smaller, lighter package compares to other. They also can work hundreds to thousands of charge and discharge cycles, making them durable for long-term use. Their low self-discharge allowed them to retain charge for extended periods when not in use. With these features the lithium battery used in a variety of applications, from consumer electronics (smartphones, laptops) to electric vehicles. Their voltage and capacity also can be designed through different usage.


Battery Parameters



No


TermStandard valueNotes

1



Nominal capacity


4400mAh0.2C Discharge

Minimum Capacity


4300mAh0.2C Discharge
2

Nominal voltage


7.4V

3


ResistanceAfter standard charge, AC 1KHz test
Battery Pack:≤160 mΩ
4

Charge limit voltage


8.4±0.05V
5

Charging method

CC/CV


charge with constant current 0.2C to 8.4V,then

charge with constant voltage8.4V till charge current

is less than 0.01C


6

Standard charge current


880mA0.2C
7

Maximum charge current


2200mA0.5C
8

Standard discharge current


880mA0.2C
9

Maximum discharge current


2200mA0.5C
10

Discharge cut-off voltage



2.3±0.08V



PCB End-of-charge Voltage


11

Cell discharge cut-off voltage


2.75V
12

Operating Temperature


0~45℃Charge
-10~60℃Discharge

13


Storage temperature

0~45℃



Less than a month



10~30℃


Less than three months

14

Storage Humidity


65%±20%RH
15

Weight


Approx:186.1±2g
16

Battery storage for 3 months need to charge and discharge a loop to 7.2V~7.8V



Product Drawing



Product Applications


Cheap TINKO 18650 Lithium Ion Battery 7.4 V 2600mah For Toys And Devices for sale
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